Oxygen concentrator battery



FIG. 1 is a perspective view of an oxygen concentrator battery.

FIG. 2 is a left side view of the oxygen concentrator battery in FIG. 1.

FIG. 3 is a right side view of the oxygen concentrator battery in FIG. 1.

FIG. 4 is a top view of the oxygen concentrator battery in FIG. 1.

FIG. 5 is a bottom view of the oxygen concentrator battery in FIG. 1.

FIG. 6 is a rear view of the oxygen concentrator battery in FIG. 1; and,

FIG. 7 is a front view of the oxygen concentrator battery in FIG. 1.

The broken lines are for the purpose of illustrating portions of the oxygen concentrator battery that form no part of the claimed design. 

CLAIM The ornamental design for an oxygen concentrator battery, as shown and described. 